Suspicious AppLocker Prevented Application or Script from Running (via applocker)
This rule detects when AppLocker prevents the execution of an Application, DLL, Script, MSI, or Packaged-App from running.
SigmamediumWindowsv1
sigma
suspicious-applocker-prevented-application-or-script-from-running-via-applocker
title: Suspicious AppLocker Prevented Application or Script from Running (via applocker)
id: 4c637ad7-704c-5030-8914-9bf98e58127b
status: stable
description: This rule detects when AppLocker prevents the execution of an Application, DLL, Script, MSI, or Packaged-App from running.
references:
- https://attack.mitre.org/techniques/T1059/007/
- https://attack.mitre.org/techniques/T1059/006/
- https://attack.mitre.org/techniques/T1059/005/
- https://attack.mitre.org/techniques/T1059/003/
- https://attack.mitre.org/techniques/T1059/001/
- https://attack.mitre.org/techniques/T1204/002/
- https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/applocker/what-is-applocker
- https://learn.microsoft.com/en-us/windows/security/application-security/application-control/windows-defender-application-control/applocker/using-event-viewer-with-applocker
- https://nxlog.co/documentation/nxlog-user-guide/applocker.html
author: Huntrule Team
date: 2026-01-20
tags:
- attack.execution
- attack.t1204.002
- attack.t1059.001
- attack.t1059.003
- attack.t1059.005
- attack.t1059.006
- attack.t1059.007
logsource:
product: windows
service: applocker
detection:
selection:
EventID:
- 8004
- 8007
- 8022
- 8025
condition: selection
falsepositives:
- Unknown
level: medium
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.